GeForce RTX 4090 and Radeon Instinct MI300 - video card comparison

GeForce RTX 4090

Radeon Instinct MI300

Architecture

Ada Lovelace

CDNA 3.0

GPU code name

AD102-300-A1

Aqua Vanjaram

Market segment

Desktop

Release date

September 2022

January 2023

Interface

PCIe 4.0 x16

PCIe 5.0 x16

Supplementary power connectors

1x 16-pin

2x 8-pin

Boost clock speed

2520 MHz

1700 MHz

Core clock speed

2235 MHz

Manufacturing process technology

5 nm

Number of transistors

76,300 million

153,000 million

Pipelines / CUDA cores

16384

14080

Power consumption (TDP)

450 Watt

600 Watt

Texture fill rate

1,290

1,496

Memory type

GDDR6X

HBM3

Maximum RAM amount

24 GB

128 GB

Memory bus width

384 Bit

8192 Bit

Memory clock speed

21000 MHz

3.2 GB/s

Memory bandwidth

1,008 GB/s

3,277 GB/s

Shared memory

Display Connectors

1x HDMI 2.1, 3x DisplayPort 1.4a

No outputs

HDMI

DirectX

12 Ultimate (12_2)

N/A

CUDA

8.9

OpenCL

3.0

OpenGL

4.6

N/A

Shader Model

6.6

N/A

Vulkan

1.3

N/A